The Framingham Heart Study, which began in 1948 and continues to this day, has followed the health of more than 15,000 people for almost 70 years. According to Sally Fallon in Nourishing Traditions, the study director admitted in the late 80’s:

We found that the people who ate the most cholesterol, ate the most saturated fat, ate the most calories, weighed the least and were the most physically active.

This isn’t the first time mainstream diet knowledge missed the boat, by the way.

Here’s a partial list, off the top of my head, of things my friends and family thought I was crazy about: